... near apple apogee 近地轨道 near answer 近回波 near end cantankerousallocution 近端串话 ...
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声回波对消中，双端语音检测用以判定远端语音是否混和有近端语音。
Doubletalk detection(DTD) is used to sense whether the far-end speech is corrupted by the near-end speech in echo cancellation.
近20年来，超声成像设备在电脑超声成像技术，谐波成像技术，相干处理成像技术，多普勒频移成像技术，回波频谱分析技术等方面取得了重大进展。
In the past 20 years, the imaging technique of ultrasound imaging equipment has made much progress in harmonic imaging, coherent imaging, Doppler imaging and frequency spectra analysis.
强回波区的降水会在近地面产生出流。
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